Finding the Fourth Proportional to 247,011.05, 340,875.14 and 133,833.80
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Solution
The fourth proportional to 247,011.05, 340,875.14 and 133,833.80 is: 184,690.58
Step by Step Solution
- Step 1: Write the proportion equation
247,011.05 : 340,875.14 = 133,833.80 : x - Step 2: Convert to fraction form
247,011.05/340,875.14 = 133,833.80/x - Step 3: Cross multiply
247,011.05x = 340,875.14 × 133,833.80 - Step 4: Simplify right side
247,011.05x = 45,620,615,494.75 - Step 5: Solve for x
x = 45,620,615,494.75/247,011.05 - Step 6: Final answer
x = 184,690.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.